/sci/ - Science & Math » Thread #10865999

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Super Earth GJ 357d

Anonymous Mon 05 Aug 16:46:55 2019 No.10865999 View Reply Original Report

Quoted By: >>10866011 >>10866083

>6.1 times the mass of Earth
>1-2 times it’s size
Wouldn’t the gravity alone be enough to crush us to death?

Anonymous

Anonymous Mon 05 Aug 2019 16:48:35 No.10866002 Report

Quoted By: >>10866076 >>10866182

Remembering the equation for gravity being somewhat simple but too lazy to look it up.
But 6 time the mass sound like 6 times the gravity.

Also fun fact, mercury and mars have the same gravity.

Anonymous

Anonymous Mon 05 Aug 2019 16:50:59 No.10866011 Report

Quoted By:

>>10865999
Depends on the extact radius of the planet. If it's 2 times the radius of Earth, then the gravity would be roughly 1.5g which is completely fine to live in for long periods of time. If it's the radius of Earth, then the gravity would be 6.1g which is deadly.

Anonymous

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Anonymous Mon 05 Aug 2019 16:53:10 No.10866017 Report

Quoted By: >>10866093

>earth gravity is 9.8 m/s/s
>ocd triggered that it's not 10

Anonymous

Anonymous Mon 05 Aug 2019 17:19:14 No.10866076 Report

Quoted By:

>>10866002
Mercury is basically just a planet core thats mostly iron and nickel.

Anonymous

Anonymous Mon 05 Aug 2019 17:23:14 No.10866083 Report

Quoted By:

>>10865999
lift more

Anonymous

Anonymous Mon 05 Aug 2019 17:27:26 No.10866090 Report

Quoted By:

Thats a big planet.

Anonymous

Anonymous Mon 05 Aug 2019 17:29:56 No.10866093 Report

Quoted By:

>>10866017
It is if you're an engineer

Anonymous

Anonymous Mon 05 Aug 2019 18:06:25 No.10866182 Report

Quoted By:

>>10866002
$ \begin{cases} F=ma \\ F=G \dfrac{Mm}{r^2} \end{cases} \\ \\ ma=G \dfrac{Mm}{r^2} \\ \boxed{a=G \dfrac{M}{r^2}} $

Anonymous

Anonymous Mon 05 Aug 2019 21:25:47 No.10866650 Report

Quoted By:

how much radius? tell us reeee
telescopes are primitive shit REEEE

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